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In general that's true, but for many years strategies like seasonality (e.g. Stock Traders' Almanac) were popular and even profitable. Eventually all that inefficiency disappeared.

The crypto space is much less efficient than the stock market so we're probably seeing the same pre-Chinese New Year dip again.

Good point, with less regulated markets like the crypto space these tend to happen. I just tend to be skeptical of these kinds of analisis is all.

It's good to compare past patterns as these are often co-generated by algos, and you can see their typical buying and selling patterns in the wave structures... we do have a completely different situation than last year now though.